body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0b0b0f;
    color: #fff;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 30px;
    background: #000;
    position: sticky;
    top: 0;
    z-index: 10;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 4px;
}

nav a {
    margin-left: 20px;
    color: #ccc;
    text-decoration: none;
    font-size: 15px;
    text-transform: uppercase;
}

nav a:hover {
    color: #fff;
}

.hero {
    position: relative;
    text-align: center;
    padding: 120px 20px;
    background: url('https://images.unsplash.com/photo-1521335629791-ce4aec67dd47') center/cover no-repeat;
}

.hero-overlay {
    background: rgba(0, 0, 0, 0.6);
    display: inline-block;
    padding: 40px 30px;
    border-radius: 8px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.hero p {
    font-size: 16px;
    color: #ddd;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: #fff;
    color: #000;
    border-radius: 4px;
    margin-top: 20px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 13px;
}

.shop {
    padding: 60px 20px;
    text-align: center;
}

.shop h2 {
    font-size: 26px;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.product-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.product {
    width: 280px;
    background: #15151b;
    padding: 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.product img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 15px;
}

.product h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.product p {
    font-size: 15px;
    color: #ccc;
}

.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 20;
}

.modal-content {
    background: #15151b;
    padding: 30px;
    width: 90%;
    max-width: 420px;
    margin: 10% auto;
    border-radius: 10px;
    position: relative;
}

.close {
    position: absolute;
    top: 12px;
    right: 18px;
    font-size: 26px;
    cursor: pointer;
}

.price {
    font-size: 20px;
    margin-top: 10px;
    font-weight: bold;
}

.about, .contact {
    padding: 60px 20px;
    text-align: center;
    background: #000;
}

.about h2, .contact h2 {
    font-size: 24px;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.about p, .contact p {
    font-size: 15px;
    color: #ccc;
    line-height: 1.6;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        margin-top: 10px;
    }

    .hero h1 {
        font-size: 34px;
    }

    .product {
        width: 90%;
        max-width: 320px;
    }
}